I'm interested to hear opinions on the best monitoring solution for Exchange. I've seen people talk MOM. I'm wondering if there are solutions out there which actually guage and monitor performance from the client side? I think it'd be great for a tool to actually make mapi calls and for the data to be aggregated and used to identify performance issues. That seems like a more wholistic approach than gathering perfmon counters. Thanks! C. --------------------------------- Do you Yahoo!? Yahoo! Mail - Helps protect you from nasty viruses.